Abstract
The feasibility of T-Cell receptor (TCR) gene therapy using a MART-1-specific TCR has been previously demonstrated in melanoma patients. However, it remains a challenge without a defined tumor-specific antigen in the therapy of hepatocellular carcinoma (HCC). In this study, through the analysis of clonal expansion of TCR Vβ subfamily and DNA sequencing, we identified TCR Vβ7.1_H3F7 as a potential therapeutic gene specifically for the HCC patients. Peripheral blood monouclear cells (PBMC) transfected with TCRV β7.1_H3F7 gene were specifically cytotoxic against HCC cells in vitro. Adoptive transfer of this transfected PBMC resulted in a marked suppression of HCC tumor development in the animal model. These results demonstrated the value of TCRV β7.1_H3F7 as a therapeutic gene specifically for HCC. More importantly, it provides a novel strategy for screening tumor-specific TCR genes, which may pave the way for TCR gene therapy in cancer patients currently without the defined tumor-specific antigens.
Keywords: Hepatocellular carcinoma, TCR, TCR Vβ7.1_H3F7, therapeutic gene.
Current Gene Therapy
Title:Identification of Vβ7.1_H3F7 as a Therapeutic Gene Encoding TCR Specific to Hepatocellular Carcinoma
Volume: 14 Issue: 5
Author(s): Shulin Huang, Han Shen, Zhiming Li, Sung-Kay Chiu, Runsheng Ruan, Lanfeng Xiao and Chi-Meng Tzeng
Affiliation:
Keywords: Hepatocellular carcinoma, TCR, TCR Vβ7.1_H3F7, therapeutic gene.
Abstract: The feasibility of T-Cell receptor (TCR) gene therapy using a MART-1-specific TCR has been previously demonstrated in melanoma patients. However, it remains a challenge without a defined tumor-specific antigen in the therapy of hepatocellular carcinoma (HCC). In this study, through the analysis of clonal expansion of TCR Vβ subfamily and DNA sequencing, we identified TCR Vβ7.1_H3F7 as a potential therapeutic gene specifically for the HCC patients. Peripheral blood monouclear cells (PBMC) transfected with TCRV β7.1_H3F7 gene were specifically cytotoxic against HCC cells in vitro. Adoptive transfer of this transfected PBMC resulted in a marked suppression of HCC tumor development in the animal model. These results demonstrated the value of TCRV β7.1_H3F7 as a therapeutic gene specifically for HCC. More importantly, it provides a novel strategy for screening tumor-specific TCR genes, which may pave the way for TCR gene therapy in cancer patients currently without the defined tumor-specific antigens.
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Cite this article as:
Huang Shulin, Shen Han, Li Zhiming, Chiu Sung-Kay, Ruan Runsheng, Xiao Lanfeng and Tzeng Chi-Meng, Identification of Vβ7.1_H3F7 as a Therapeutic Gene Encoding TCR Specific to Hepatocellular Carcinoma, Current Gene Therapy 2014; 14 (5) . https://dx.doi.org/10.2174/1566523214666140825124733
DOI https://dx.doi.org/10.2174/1566523214666140825124733 |
Print ISSN 1566-5232 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5631 |
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